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Finding the Fourth Proportional to 330,466.57, 456,045.37 and 187,254.52

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Solution

The fourth proportional to 330,466.57, 456,045.37 and 187,254.52 is: 258,412.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,466.57 : 456,045.37 = 187,254.52 : x
  2. Step 2: Convert to fraction form
    330,466.57/456,045.37 = 187,254.52/x
  3. Step 3: Cross multiply
    330,466.57x = 456,045.37 × 187,254.52
  4. Step 4: Simplify right side
    330,466.57x = 85,396,555,249.32
  5. Step 5: Solve for x
    x = 85,396,555,249.32/330,466.57
  6. Step 6: Final answer
    x = 258,412.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.